- U.S. Route 40
Route information Length: 2,285.74 mi (3,678.54 km) Existed: 1926 – present Major junctions West end: I-80 near Park City, UT
I-25 in Denver, COI-95 in Baltimore, MD
I-35 in Kansas City, MO
I-55 / I-64 / I-70 in St. Louis, MO
I-57 in Effingham, IL
I-65 in Indianapolis, IN
I-75 near Dayton, OH
I-71 in Columbus, OH
I-77 near Cambridge, OH
I-79 in Washington, PA
I-81 in Hagerstown, MD
East end: US 322 / Ventnor Avenue in Atlantic City, NJ Highway system
U.S. Route 40 is an east–west United States highway. As with most routes whose numbers end in a zero, U.S. 40 once traversed the entire United States. It is one of the original 1920s U.S. Highways, and its first termini were San Francisco, California, and Atlantic City, New Jersey. The western end has been truncated several times, and the route now ends at Interstate 80 just outside of Park City, Utah, near Salt Lake City.
Starting at its western terminus in Utah, U.S. 40 crosses a total of 12 states, including Colorado, Kansas, Missouri, Illinois, Indiana, Ohio, West Virginia, Pennsylvania, Maryland, Delaware, and New Jersey. Three former and four current state capitals lie along the route.a[›] For much of its route, U.S. 40 runs parallel to or concurrently with several major Interstate Highways: Interstate 70 from Colorado, to Washington, Pennsylvania; and again from Hancock, Maryland to Baltimore, Maryland; Interstate 64 in parts of Missouri and Illinois; Interstate 68 along the Maryland Panhandle; and Interstate 95 from Baltimore to New Castle, Delaware.
The route was built on top of several older highways, most notably the National Road and Victory Highway. The National Road was created in 1806 by an act of Congress to serve as the first Federally funded highway construction project. When completed it connected Cumberland, Maryland, with Vandalia, Illinois. The Victory Highway was designated as a memorial to World War I veterans and went from Kansas City, Missouri to San Francisco, California. Other important roads that have become part of U.S. 40 include Zane's Trace in Ohio, Braddock Road in Maryland and Pennsylvania, part of the Oregon Trail in Kansas, and the Lincoln Highway (the first road across America) in California.
- 1 Route description
- 2 History
- 3 Major intersections
- 4 See also
- 5 Notes
- 6 References
- 7 Further reading
- 8 External links
Lengths mi km UT 174.54 280.89 CO 496.44 798.94 KS 423.67 681.83 MO 255.05 410.46 IL 159.99 257.48 IN 143.95 231.67 OH 228.37 367.53 WV 15.87 25.54 PA 82.46 132.71 MD 220.88 355.47 DE 17.18 27.65 NJ 64.28 103.45
The western terminus of U.S. 40 is in Utah at Interstate 80, several miles north of Park City, at Silver Creek Junction. The road is a limited access highway from the I-80 junction to its intersection with Utah State Route 32 south of Park City, about 13 miles (21 km). From there, the road takes a generally southerly course to Heber City before turning southeast and passing by the northern shores of Strawberry Reservoir. U.S. 40 goes through the towns of Duchesne, Roosevelt and Vernal before entering Colorado.
Entering Colorado 2 miles (3.2 km) west of Dinosaur, US 40 mainly continues east through the Routt National Forest through Craig and Steamboat Springs. The highway continues southeast toward Denver, where it intersects with I-70, where it concurrent with for more than 140 miles (230 km) to Kit Carson. US 40 continues east from Kit Carson to Arapahoe where it travels east in to Kansas.
US-40 enters Kansas near the unincorporated community of Weskan. The first sizable town it enters is Sharon Springs, where it intersects K-27. From there it goes northeast to Oakley and follows Eagle Eye Road before a merge with I-70 east of town. The two routes remain merged until Topeka, though the prior alignment of US-40, named Old Highway 40, parallels I-70 for most of the way. From Ellsworth to Salina, the old alignment of US-40 is signed as K-140.
In Topeka, US-40 leaves I-70 at exit 366, follows the Oakland Expressway concurrent with K-4 north to 6th Avenue, then heads east along 6th out of town. Through Topeka, US-40 closely follows the route of the Oregon Trail. At the Shawnee-Douglas county line near Big Springs, US-40 crosses to the south of I-70 and enters Lawrence from the west along West 6th Street. In Lawrence, the route is joined by US-59 and jogs north to cross the Kansas River. It follows North 2nd and North 3rd Streets, crosses back under I-70, leaves US-59, and merges with US-24 before leaving town.
US-40 remains merged with US-24 as the two routes travel northeast to the town of Tonganoxie. From there, the merged routes turn due east toward Kansas City, Kansas. In Kansas City, US-40 and US-24 intersect US-73 and K-7, and turning south toward Interstate 70. US-40, along with US-24, then merge onto I-70 and recross the Kansas River over the Lewis and Clark Viaduct just before entering Kansas City, Missouri.
On December 1, 2008, US-40, along with US-24 and US-73, was rerouted south along K-7 west of Kansas City to the intersection with I-70. Before this date, US-40 and US-24 continued along State Avenue to College Parkway before turning right to follow Turner Diagonal for 1/2 where US-40 joined Interstate 70 for the duration of its journey eastward toward Missouri.
In 1951, the State of Kansas designated Route 40 as a Blue Star Memorial Highway from border to border.
US-40 enters Missouri in Kansas City along a concurrency with I-70. It leaves I-70 at exit 6 and follows Van Brunt Boulevard for a short distance before turning east and crossing I-70 again at exit 7A. US-40 parallels I-70 to the north through Kansas City until exit 11, where it crosses and parallels it to the south through the suburbs of Lee's Summit, Independence, Blue Springs and Grain Valley before rejoining I-70 at exit 24. An older alignment caries the designation "Old US-40".
US-40 stays with I-70 until Boonville, where US-40 leaves at exit 101, along with Business Loop I-70. Both designations follow Ashley Road, before US-40 leaves and heads north along Main Street. After crossing the Missouri River in Boonville, US-40 turns east before rejoining I-70 at exit 121, at the outskirts of Columbia. The two routes remain concurrent until exit 210B in Wentzville.
From Wentzville, US-40 joins I-64 and US-61 and heads southeast crossing the Missouri River over the Daniel Boone Bridge in St. Charles. US-40 stays joined with I-64 and leaves the state in St. Louis on the Poplar Street Bridge across the Mississippi River along with I-70, I-55.
On January 2, 2008, five miles (8 km) of US-40/I-64 in St. Louis was closed eastbound and westbound from I-170 to I-270. It re-opened December 15, 2008 two weeks ahead of the original scheduled date of December 31, 2008. On December 13, 2008, another five-mile (8 km) section of the freeway closed both ways from I-170 to the Kingshighway exit in the city. It was re-opened on December 7, 2009. The entire freeway is now open for travel, with the speed limit raised to 60 mph on most of the stretch. It is also now a full freeway all the way from Downtown St. Louis to Wentzville.
The next 159.99 miles (257.48 km) of US 40 lies within the state of Illinois. Except where the route has been re-aligned with Interstate 70, it is an entirely undivided surface route. Formerly a major highway, it has lost most of its non-local traffic to Interstate 70. Some early bypasses of towns were built with the apparent intention of twinning them as a divided highway with access limited to intersections. I-70 uses none of those old bypasses that remain as sections of US 40. The westernmost portion of the historic National Road lies on most of the U.S. 40 alignment in Illinois.
US 40 crosses into Illinois at East St. Louis on the Poplar Street Bridge concurrent with Interstates 55, 64 and Interstate 70. The route will continue to have a close relationship with I-70 for the remainder of the time it spends in the state; either directly concurrent with or paralleling it throughout Illinois.
Between Pocahontas and Mulberry Grove, US 40 passes through several small towns. In Vandalia, Illinois, the former state capitol, it follows Veterans Avenue and Kennedy Boulevard (with US 51) through town. The Old State House in Vandalia marks the western terminus of the National Road, one of the earliest roads upon which US 40 was designated. From Vandalia, the road continues to the northeast passing through the early German settlement town of Teutopolis and several city streets in Effingham. Beyond Effingham, US 40 passes through many small unincorporated towns before leaving the state near Marshall.
US 40 enters Indiana from the west at unincorporated Liggett along with I-70. US 40 leaves the interstate at exit 11 and heads north with SR 46. The road leaves the city to the northeast once reaching Wabash Ave. 
Once leaving Terre Haute, US 40 passes through the small towns of Seelyville, Brazil, Knightsville and Harmony. Between Seelyville and Brazil, the road bypasses several small unincorporated communities which are served by State Road 340, a former alignment of US 40. The road continues to the northeast beyond Harmony, passing many unincorporated places such as Mount Meridian along the way to Plainfield, a suburb of Indianapolis.
In Plainfield, US 40 is Main Street and passes the Metropolis Outdoor Shopping Mall and a nostalgic stainless steel diner. Once leaving Plainfield, US 40 becomes Washington Street, where it passes by the northern edge of Indianapolis International Airport. After passing the airport, US 40 is now routed onto Interstate 465 Southbound on the west side of Indianapolis. A sign along the entrance ramp advises motorists "For US 40 East, Follow I-465 South to Exit 46." This route bypasses downtown Indianapolis and instead goes through the southern part of Indianapolis; its nearest point is about 5 miles (8.0 km) south of the city center. (Previously, the highway did not join with I-465 but continued along Washington Street, where it entered Indianapolis proper near Eagle Creek, a tributary of the White River. In downtown Indianapolis, the old highway split into a pair of one-way streets: Washington Street carries westbound traffic and Maryland Street carries eastbound traffic. In Indianapolis, the old highway passes several key landmarks, including White River State Park, the Indianapolis Zoo, the Eiteljorg Museum, Victory Field, the Lucas Oil Stadium, and the Indiana Statehouse). Along the eastern edge of Indianapolis, US 40 leaves I-465 at Exit 46 and is once again routed onto Washington Street.
East of Indianapolis, US 40 enters Cumberland where it takes the name National Road. Paralleling I-70 at a distance of about 3.5 miles (5.6 km), US 40 continues eastward across Indiana, passing through such communities as Greenfield, Knightstown, Lewisville, Straughn, Dublin, Mount Auburn, and Cambridge City, where it is known by various local names including Washington Street, Main Street, or National Road.
US 40's last stop in Indiana is the city of Richmond. In Richmond, it passes a statue known as "Madonna of the Trail", one of a series of twelve statues across the U.S. to memorialize women pioneers who made the trek to settle the western U.S. In 1968, a section of US 40 (Main Street) in Richmond was destroyed by a massive gas explosion. This caused a section of Main Street to be closed to automobile traffic, and US 40 was rerouted along North A Street (westbound) and South A Street (eastbound). At the Indiana/Ohio border, US 40 crosses I-70 at exit 156B before entering Ohio.
US 40 enters Ohio just to the south of New Paris. The road is always close to the newer I-70 eastward toward Dayton. In Vandalia, the road passes to the south of Dayton International Airport and crosses I-75 and the Great Miami River. The road never actually enters Dayton, instead skirting the northern suburbs on the way toward Springfield.
In Springfield, US 40 is split between two one-way streets. North Street carries US 40 West and Columbia Street carries US 40 East. The route then shifts on to East Main Street before leaving town to the east, once again as National Road. I-70 crosses again at unincorporated Harmony. US 40 passes just north of London where it intersects Ohio State Route 56 and US 42 before heading into West Jefferson. In West Jefferson, US 40 is designated along Main Street.
In the Columbus metropolitan area, US 40 enters from the west as Broad Street. Among the sites along US 40 in Columbus are the Ohio Statehouse, the Columbus Museum of Art, and LeVeque Tower, the oldest skyscraper in Columbus. In Bexley, the route follows Main Street, using Drexel Avenue to get between Broad and Main. US 40 continues as Main Street through Reynoldsburg before leaving the Columbus area as National Road yet again.
East of the Columbus metro area, US 40 parallels I-70 at a distance of about 1-mile (2 km), passing through several small towns such as Kirkersville and Hebron. In Zanesville, the road becomes Main Street, and at the center of town US 40 begins a concurrency with US 22 that carries it to Cambridge. US 40 crosses the Muskingum River in Zanesville on the famous Y-Bridge. Routes 22 and 40 enter Cambridge from the southwest along John Glenn Highway, and split in town; US 40 follows Wheeling Avenue. In Old Washington, US 40 joins I-70 at Exit 186. It leaves I-70 at exit 201 near Morristown. The two roads cross paths several times before they both leave Ohio on a pair of bridges across the Ohio River at Bridgeport.
The now-decommissioned Ohio State Route 440 ran along old US 40 in places where US 40 had been shifted onto I-70.
U.S. 40 is only 10 miles (16 km) long as it passes through West Virginia. Much of the highway has been moved from the old National Road path to I-70.
US 40 enters Pennsylvania at West Alexander. It closely parallels I-70 from West Virginia until it reaches Washington where it follows Jefferson Avenue and Maiden Street. In Washington, US 40 passes to the south of Washington & Jefferson College. Following Maiden Street out of town, the road turns southeast toward the town of California. A short limited access highway in California and West Brownsville provides an approach to the Lane Bane Bridge across the Monongahela River. From here, the road continues southeast to Uniontown.
US 40 bypasses Uniontown along a limited access highway that also carries US 119. An old alignment through Uniontown is signed as "Business US 40." Southeast of Uniontown, travellers pass the Fort Necessity National Battlefield. It follows Braddock Road southeast of Uniontown, crossing the Youghiogheny River Lake on a bridge completed in 2006. US 40 leaves Pennsylvania at Addison
US 40 enters Maryland from Pennsylvania near Grantsville in the western part of the state. Here, and through most of the state, it is known as National Pike. US 40 leaves National Pike shortly after entering Maryland from the northwest and merges with I-68 and US 219 at exit 14B. The old alignment of US 40, still known as National Pike, is signed through much of the western part of the state as either "Scenic US 40" or "Alternate US 40". US 219 leaves the three-way concurrency at exit 22, but US 40 and I-68 remain on the same pavement through Frostburg and Cumberland.
East of Cumberland, the old National Pike (formerly US 40) carries the MD 144 designation. The I-68/US 40 roadway passes through a 340-foot (100 m) deep cut in Sideling Hill. Just to the east of the cut is the Sideling Hill Exhibit Center, a museum that highlights Western Maryland geology. At Hancock, where the state of Maryland narrows to less than two miles (3 km) wide, I-68 ends, and US 40 merges onto I-70 at exit 1. The two routes closely follow the course of the Chesapeake and Ohio Canal and the Potomac River for several miles before US 40 leaves the Interstate at exit 9. US 40 passes directly through the center of Hagerstown using Washington Avenue (eastbound) and Franklin Street (westbound). Heading southeast out of Hagerstown, US 40 diverges into two separate routes, US 40 and US 40 Alt. US 40 parallels I-70, its longtime travel partner, crossing it at exit 32 near Greenbrier State Park on the Baltimore National Pike alignment. US 40 Alt heads southeast on the Old National Pike alignment through Boonsboro, crossing South Mountain at Turner's Gap. The two routes converge just west of Frederick.
In Frederick, US 40 uses Patrick Street before merging onto the US 15 expressway for a short distance. It leaves US 15 and rejoins I-70 on the outskirts of Frederick. MD 144 once again takes over along the old alignment of US 40.
US 40 leaves I-70 for the final time upon entering the western suburbs of Baltimore, once again as Baltimore National Pike. The route passes through Patapsco Valley State Park north of Ellicott City and enters the Baltimore city limits along Edmondson Avenue. East of Gwynns Falls Park, US 40 becomes Franklin Street, and becomes an expressway (formerly I-170) for a short distance between Pulaski Street and Martin Luther King Jr. Boulevard. Through this area, an alignment called "Truck US 40" diverts larger vehicles onto an alternate route. US 40 passes through the Mount Vernon neighborhood and a few blocks from Baltimore's Washington Monument. After crossing the Jones Falls Expressway (I-83), US 40 follows Orleans Street, and finally becomes the Pulaski Highway as it leaves Baltimore to the northeast.
US 40, for the entire length of Pulaski Highway, closely parallels I-95. Pulaski Highway passes through Gunpowder Falls State Park near Joppa and the Aberdeen Proving Ground. Between Havre de Grace and Perryville it crosses the Susquehanna River on the Thomas J. Hatem Memorial Bridge. US 40 leaves Maryland in Elkton, crossing the border into Delaware.
US 40 crosses Delaware for about 15 miles (24 km). Entering the state from Maryland in Glasgow, it continues along the Pulaski Highway. It crosses Delaware Route 1 in the community of Bear before merging with US 13 and the Dupont Highway in Midvale. The concurrent routes pass the New Castle Airport and US 40 leaves to join I-295 near Wilmington Manor. US 40, along with I-295, uses the Delaware Memorial Bridge to cross the Delaware River into New Jersey.
US 40 enters New Jersey in Deepwater, New Jersey along with I-295. US 40 briefly joins the New Jersey Turnpike, and exits to the south of the toll booths. The route follows Wiley Road, parallel to the Turnpike, before joining Harding Highway in Carneys Point. US 40 will be Harding Highway through most of South Jersey. Northeast of where US 40 joins it, Harding Highway carries the NJ 48 designation; though this was once part of US 40 as well.
It enters the borough of Woodstown as a concurrency with NJ 45 along West Avenue; it leaves town heading southeast. In Upper Pittsgrove Township, the road changes names to the Pole Tavern-Elmer Road. Passing through Elmer it becomes Chestnut St. and then Elmer-Malaga Road. In Malaga it uses Delsea Drive. The route bypasses the city of Vineland to the northeast, and becomes Cape May Avenue in Hamilton Township, where it runs concurrent with NJ 50. In Mays Landing US 40 uses Main Street.
US 40 merges with US 322 and the Black Horse Pike in McKee City. The two routes enter Atlantic City along Albany Boulevard and pass the Atlantic City Airport. US 40 and US 322 both reach their eastern terminus at the intersection of Albany Boulevard and Ventnor Avenue.
US 40's history can be traced back several centuries. Several well established Native American footpaths, including Nemacolin's Path and Mingo Path in the Maryland-Pennsylvania area, followed similar alignments to US 40. Early American colonists established roads, some following the established Native American paths, that would later serve as US 40. These included a segment of post road between Wilmington, Delaware, and Baltimore, Maryland. In 1755, during the French and Indian Wars, General Edward Braddock blazed a trail en route to capture Fort Duquesne (modern Pittsburgh, Pennsylvania). US 40 closely follows this route between Cumberland, Maryland and Uniontown, Pennsylvania.
Early in the history of the U.S., the State of Maryland established a network of turnpikes for long-distance travel. Three of these would later serve as part of US 40: the Baltimore and Havre de Grace Turnpike, the Baltimore and Frederick Turnpike, and Bank Road. Colonel Ebenezer Zane (for whom Zanesville, Ohio was named) blazed some of the first trails across the Ohio wilderness in the last years of the 18th century. Zane's Trace, as his road was called, stretched from Wheeling, West Virginia, to Maysville, Ohio. With some minor alignment differences, US 40 closely matches the segment from Wheeling to Zanesville.
Between the cities of Lawrence and Topeka, Kansas, US 40 follows the path of the Oregon Trail. During the 19th century, the Oregon Trail served as a major thoroughfare for people emigrating to the Pacific Northwest. Between 1850 and 1852, some 65,000-70,000 people traveled the trail.
Most of the western section of US 40 follows the former route of Victory Highway, a road that once linked Kansas City to San Francisco. The road was named as a memorial to fallen World War I veterans. Other than two sections (one in California and one in Kansas/Colorado) most of the original route of US 40 west of Kansas City used Victory Highway. According to a 1926 guide published about the Victory Highway, it was the fastest route between San Francisco and Salt Lake City, allowing travellers to complete the 784-mile (1,262 km) trip "comfortably and in high gear in from 3 to 4 days." Controversy over the routing of US 40 over the Victory Highway led to a "divided route", with US 40S following the Victory Highway and US 40N taking a more northerly route.
In 1806, Thomas Jefferson signed into law an act of Congress establishing a National Road to connect the waters of the Atlantic Ocean with the Ohio River. The law mentions Baltimore as its eastern terminus; but the route used established Maryland turnpikes east of Cumberland. A new road was constructed from Cumberland to Wheeling, West Virginia, and later extended across the states of Ohio, Indiana, and Illinois. Segments of the National Road used Braddock's Road and Zane's Trace. Plans to extend the road to Missouri were never completed. The farthest western terminus for the National Road was the Old State House in Vandalia, Illinois.
The National Road was absorbed into the National Old Trails Ocean-to-Ocean highway, a route from New York, New York, to Los Angeles, California in the early 20th century. During the planning phases of what would become the U.S. Federal Highway System, the National Road was originally to be US 1. This would have disrupted the organized numbering system, however, and the National Road became US 40 in the original 1925 plan for U.S. Routes. To this day, many places still name US 40 "National Road", even where the alignment was moved from the original road. Besides US 40, much of the National Road is paralleled by segments of Interstates 68 and 70.
The former route of US 40 in California generally runs parallel to modern Interstate 80. In Contra Costa County it is San Pablo Avenue, now signed as California State Route 123. Portions of Historic Route 40 exist in Vallejo, along Broadway. In Cordelia and Suisun City, the original route is along Cordelia Road. It is also signed at as a historic route. The original route is preserved as Texas Street in Fairfield. In Vacaville the highway is preserved as Monte Vista Avenue. In Davis, the highway is now Russell Boulevard, the main street through downtown Davis. In Sacramento the highway followed the routes of modern Capitol Avenue, SR 160 and Auburn Boulevard. Through the Sierra Nevada many portions are still drivable, crossing I-80. Portions still drivable include Applegate Road in Applegate, Hampshire Rocks Road in a rural area near Cisco, and Donner Pass Road over Donner Pass and into Truckee. Between Truckee and the Nevada state line, the former route of US 40 is mostly visible from the freeway, but not drivable as a contiguous route. Portions accessible include Glenshire Drive, Hirshdale Road and Floriston Way.
Alternate U.S. Route 40
From 1954 to 1964, an alternate route U.S. 40 was available especially during winter to avoid Donner Pass. Donner Pass, elevation 7,085 ft (2,160 m), was closed through many weeks in the winter months. This alternate route used Beckwourth Pass, elevation of 5,221 ft (1,591 m). Since Beckwourth Pass was nearly 2,000 ft, (610 m), lower than Donner Pass, it could be kept open for a much longer time during the year. ALT U.S. 40 parted the main track of U.S. 40 near Davis and ran north along what was then signed as U.S. Route 99W into Woodland. From Woodland, ALT U.S. 40 ran north along California State Route 24 through Knights Landing and Robbins into Yuba City. Most of the section from Woodland to Yuba City is now signed as California State Route 113. From Yuba City, ALT U.S. 40 ran east through Marysville, then north through Oroville. Continuing north and northeast, ALT U.S. 40 reached Paxton, then turned south and southeast to Quincy and Beckwourth before crossing. East of Beckwourth Pass, ALT U.S. 40 descended to meet U.S. Route 395 at what is now Hallelujah Junction. The section from Marysville to U.S. Route 395 was then still an extension of Route 24, but is now signed as California State Route 70, although much of the old highway was moved further west before Lake Oroville was dammed and flooded in 1968.
In Nevada US 40 was also directly replaced by I-80. All of the I-80 business loops use the historical route of US 40. In the Truckee Meadows the route is still drivable as 3rd street in Verdi and 4th street in Reno and Victorian Ave in Sparks. In rural Nevada the highway forms the business loops for Wadsworth, Fernley, Lovelock, Winnemucca, Battle Mountain, Carlin, Elko, and West Wendover.
In Wendover the former route of US 40 is signed as SR-58 and runs along a now unmentioned road just south of the freeway across the Bonneville Salt Flats. The route re-emerges from the shadow of I-80 as SR-138 through Grantsville and Tooele. In Salt Lake City U.S. 40 was routed on North Temple Street on the west side of town. Past Temple Square US-40 had two alignments, originally along 2100 South and Parley's Way, at the time part of SR-201, but was later moved to Foothill Boulevard, along modern SR-186. East of Park City US 40 is still intact.
Evolution of US 40
US 40 was one of the original 1925 U.S. Highways. The route was a cross-country, east–west route, as most routes with a "0" number were defined. In 1926, the road had a total mileage of 3,228 miles (5,195 km). Though the eastern terminus was planned for State Road, Delaware, by 1927 it was moved to Atlantic City, New Jersey. The western terminus was San Francisco via an auto ferry across San Francisco Bay from Berkeley, California (see Berkeley Pier). Upon completion of the San Francisco – Oakland Bay Bridge, U.S. 40 was re-routed over the bridge, bypassing the ferry pier. Early alignments of the road featured ferries at both ends. To cross the Delaware River, ferries were used, originally from Wilmington, Delaware (1927–1929) and later from New Castle, Delaware (1929–1951). In 1951, the opening of the Delaware Memorial Bridge replaced the ferry service and carried US 40 across the Delaware River.
From 1926-1935 the route split in Manhattan, Kansas, into "40N" and "40S" routes; the two routes met again in Limon, Colorado. The "40S" route continued on to Grand Junction, Colorado. In 1935, the split routes were eliminated. US 40N between Manhattan and Limon and then US 40S from Limon to Grand Junction was replaced by U.S. Route 24, the remainder was renumbered as simply US 40.
New alignments for the road were designated in Maryland in 1948 and in Utah in 1950. California's segment of the highway was decommissioned in 1964. By 1966, the western terminus moved to Reno, Nevada. The road shortened again in 1975, to its current western end at Silver Creek Junction, Utah. In 1998, the California segment was given a sort of rebirth with the designation of Historic Route 40 through that state. Further realignments occurred in Utah where the highway was re-routed for the Jordanelle Reservoir in the mid 1990s, and Kansas City, Kansas, in 1999 to make way for the Kansas Speedway. On December 1, 2008, a further realignment in Kansas City rerouted US 40 away from State Avenue and the Turner Diagonal and onto K-7 and Interstate 70.
- Interstate 80 near Park City, UT
- Interstate 25 in Denver, CO
- Interstate 35 in Kansas City, MO
- Interstate 55 / Interstate 64 / Interstate 70 in St. Louis, MO
- Interstate 57 in Effingham, IL
- Interstate 65 in Indianapolis, IN
- Interstate 75 near Dayton, OH
- Interstate 71 in Columbus, OH
- Interstate 77 near Cambridge, OH
- Interstate 79 in Washington, PA
- Interstate 81 in Hagerstown, MD
- Interstate 95 in Baltimore, MD
- List of U.S. Routes
- National Road
- All-American Road
Related U.S. Routes
- ^ a: The current capitals are Denver, Topeka, Indianapolis, and Columbus. Vandalia was a former capital of Illinois, Zanesville was a former capital of Ohio, and Wheeling was a former capital of West Virginia.
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- ^ New Jersey Department of Transportation - Straight Line Diagrams: Route 40
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- ^ AASHO October 2008 meeting
- ^ Missouri State Highway Commission, Route Map Showing Designated Routes and Numbers, Approved September 19, 1922
- ^ The New I-64 - Missouri Department of Transportation
- ^ STLtoday - News - Special Reports
- ^ "Routes 21-40". Illinois Highway Page. 2007. http://www.n9jig.com/21-40.html. Retrieved 2007-05-22.
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- ^ "Sideling Hill Exhibit Center". Sideling Hill Wildlife Management Area. Maryland Department of Natural Resources. 2000. Archived from the original on 2007-05-20. http://web.archive.org/web/20070520062927/http://www.dnr.state.md.us/publiclands/western/sidelinghill.html. Retrieved 2007-05-25.
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- ^ "U.S. Highway 40". Delaware Highways. 2004. http://www.aaroads.com/delaware/us-040.htm. Retrieved 2007-05-25.
- ^ Alpert, Steve. "New Jersey Roads: US 40/NJ 48". NJ roads. http://www.alpsroads.net/roads/nj/us_40/. Retrieved 2007-05-25.
- ^ "Current and historic US Highway ends in Atlantic City NJ". US Highway Ends. mapguy. 2006. http://usends.com/Focus/Atlantic/index.html. Retrieved 2007-05-25.
- ^ Brusca, Frank X. (2002). "Native American Footpaths". U.S. Route 40: America's Golden Highway. route40.net. Archived from the original on 2007-09-27. http://web.archive.org/web/20070927203803/http://www.route40.net/history/native-footpaths.shtml. Retrieved 2007-05-21.
- ^ Brusca, Frank X. (2002). "Eastern Post Roads". U.S. Route 40: America's Golden Highway. route40.net. Archived from the original on 2007-09-27. http://web.archive.org/web/20070927203842/http://www.route40.net/history/postroads.shtml. Retrieved 2007-05-21.
- ^ Brusca, Frank X. (2002). "Broddock's Road". U.S. Route 40: America's Golden Highway. route40.net. Archived from the original on 2007-04-26. http://web.archive.org/web/20070426155905/http://www.route40.net/history/braddock.shtml. Retrieved 2007-05-21.
- ^ Brusca, Frank X. (2002). "Maryland's Turnpikes". U.S. Route 40: America's Golden Highway. route40.net. Archived from the original on 2007-09-27. http://web.archive.org/web/20070927204035/http://www.route40.net/history/mdpikes.shtml. Retrieved 2007-05-21.
- ^ Brusca, Frank X. (2002). "Zane's Trace". U.S. Route 40: America's Golden Highway. route40.net. Archived from the original on 2007-08-20. http://web.archive.org/web/20070820065934/http://www.route40.net/history/zane.shtml. Retrieved 2007-05-21.
- ^ Brusca, Frank X. (2002). "Victory Highway". U.S. Route 40: America's Golden Highway. route40.net. Archived from the original on 2007-08-20. http://web.archive.org/web/20070820070152/http://www.route40.net/history/victory.shtml. Retrieved 2007-05-21.
- ^ a b Weingroff, Richard F. (1997). "From Names to Numbers: The Origins of the U.S. Numbered Highway System". United States Department of Transportation — Federal Highway Administration. http://www.fhwa.dot.gov/infrastructure/numbers.htm. Retrieved 2007-05-22.
- ^ Hobbs, Howard F. (circa 1926). "Notes Abouth The Victory Highway". Mohawk-Hobbs Guide to the Victory Highway. Mohawk Rubber Company. Archived from the original on 2007-05-19. http://web.archive.org/web/20070519184353/http://www.route40.net/library/maps/hobbs/hobbs-02.shtml. Retrieved 2007-05-22.
- ^ a b Brusca, Frank X. (2002). "National Road". U.S. Route 40: America's Golden Highway. route40.net. Archived from the original on 2007-04-28. http://web.archive.org/web/20070428094518/http://www.route40.net/history/national-road.shtml. Retrieved 2007-05-21.
- ^ a b c "Google Maps". http://maps.google.com. Retrieved 2008-03-08.
- ^ Droz, Robert V. (2006). "Even Numbered U.S. Highways". U.S. Highways from U.S. 1 to (U.S. 830). us-highways.com. http://www.us-highways.com/us2.htm#US_40. Retrieved 2007-05-20.
- ^ Droz, Robert V. (2006). "Historic Routes and Termini". U.S. Highways from U.S. 1 to (U.S. 830). us-highways.com. http://www.us-highways.com/us1830.htm. Retrieved 2007-05-20.
- ^ Brusca, Frank X. (2002). "Alignments since 1925". U.S. Route 40: America's Golden Highway. route40.net. Archived from the original on 2007-09-27. http://web.archive.org/web/20070927203954/http://www.route40.net/history/alignments.shtml. Retrieved 2007-05-21.
- ^ Droz, Robert V. (2006). "Divided (Split) Routes". U.S. Highways from U.S. 1 to (U.S. 830). us-highways.com. http://www.us-highways.com/usdiv.htm#US40N. Retrieved 2007-05-20.
- ^ Brusca, Frank X. (2002). "History of Route 40". U.S. Route 40: America's Golden Highway. route40.net. Archived from the original on 2007-07-17. http://web.archive.org/web/20070717030847/http://www.route40.net/history/index.shtml. Retrieved 2007-05-21.
Main U.S. Routes
- Droz, Robert V. (2006). "U.S. Highways from U.S. 1 to (U.S. 830)". http://www.us-highways.com. Retrieved 2007-05-20.
- Vale, Thomas R., and Vale, Geraldine (1983). U.S. 40 Today: Thirty Years of Landscape Change in America. University of Wisconsin Press, Madison. ISBN 0-299-09480-4. An updating of George R. Stewart's classic 1953 book.
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